Cooling apparatus



June 11, 1963 E. H. PANTHOFER COOLING APPARATUS Filed Sept. 28, 1960 Ernest H. Panthofer Aforney ted States Patent Oce i the core. A front screen guard 34 is mounted on the 3,093,189 tanks to protect the `front ot the core. The motor is OLNG PPAR'FUS clamped withn split ring 36 in the mounting assembly Ernest H- Bandini, Miiwalkee Wis" assign t9 Per?. and has a number of radially extending support members feti Criwmmm Mlwaukee is" a corporation i 3S secured to and equally spaced about the motor ring. WSwnsm Each support member -includes an outer rod 37 and an inner rod 39 with the outer end 40 ot the members being Filed Sept. g8, 19%), Ser. No. 59,113

1 Clam' i i' bent to lit into holes 42 in the support members. Rub- This invention relates to heat trans-fer apparatus and bei" grommets can be positioned on the ends 40 of the rods particularly to a mounting structure for isolating excessive 10 t0 reduce any noise Vwhich may occur at the connection vibrations of the drive motor from the heat transfer core. due to the vibrations of tbe motor.

In heat transfer apparatus of the type contemplated A fan guard 45 having a Central aperture 48 is secured herein, aliquid is circulated through acore having a large t0 the spilt ring by reds 50 and has its `Outer euirled end surface area, and air is forced through the core. These Welded t0 the inner rOdS at 52. 1t can he Seen that any cores include a large number of tubes and uns which are, vibration from the motor will be transmitted to the supsubject to damage from unnecessary vibrations. Motor Port members by the reds Wheh .are seeured t0 the Supdriven tan-s units which are used to circulate air through Porting strueture By aise mounting the fan guard 011 the the core have been found to have inherent vibrations inner TOds Ot the rnOtOr mounting assernbiy, any Vibration which are transmitted to the core through the mounting Whieil is set up in the fan guard Wiii be isuiated from the structure. shroud and core.

'Ilhe primary Object of this invention is t0 provide a Although but a single embodiment of the present invenmounting structure which insulates the motor vibrations tien has been illustrated and desefhed, '1t Wiil be apparfrom the heating or cooling core. ent to those sk'lled in the art that various changes an This is accomplished by supporting the motor in a modifications may be made therein Without departing from mounting structure which is secured to the main supp-ort the spirit df the invention 0r frern the SCOPe 0f the als frame. The mounting structure has a `small amount o liended Giannresiliency to absorb some of the vibrations of the motor i eiaim and at the same time maintain the meter in a relatively Aheat transfer unit Comprising: iixed position with respect -to the core. 1t has also been a Pair 0f rigid sPaeed suPPOrt members', found that the fan guard, which `is mada of a .generally acore, a top tank and abottom tank connected together light exible construction, ampliiies the vibrations of the t0 Prod/ide d iitluid rddiatei' unit, said unit rigidiy motor and also transmits them to the core. The guard mounted 011 said supPOrt members between Said memhas, therefore, been ysecured to the motor mount assembly lbers; in order to isolate the Core from these vibrationsa fan unit including an electric motor and a ttan blade Other objects and advantages will be pointed out in, or driven thereby, said fan unit mounted adiaeent Said be apparent from, the specification and claims, as will radiator unit @to circulate air through said core; obvious modifications of the single embodiment shown in a resiiient mounting means for InOun 'ne said an unit the drawings, in which: adjacent said radiator unit, said resilient mounting FIG. l1 is a perspective view of the heat transfer unit rneans ineiuding fdur radiaiiy extending arms and a with the fan assembled; and 40 tan support member fastened thereto, said -fan sup- FlG. 2 is an exploded view er nie assembly. port member adapted t0 receive and Surilort Said As seen in the drawings, the heat transfer unit includes eieetrie rnOtOr, said four radiaiiy eXtending arms hava pair of parallel support members 10, h2 constituting ing their outer ends fastened to said support members the main support frame for the unit which is generally at the tOP and'bOttnrn 'PertlOns thereof; and secured to a rigid structure such as the flo-or. A top tank a fait guard having a central aperture mounted between 14 and a bottom tank 16 are secured to the support mem- Said fa blade and Said eiectfic motor, said dan guard fastened to said fan support member and said arms so that any vibration which is set up in said fan guard will be isolated from said liquid radiator unit.

bers with a core 18 made or steel, copper, aluminum, or the like, mounted between the tanks and sealed by gaskets 20. Liquid is circulated by a pump or other means (not shown) through the core by admitting the liquid through Ret rences Cted th iile t tl lt Lt openings 22 in the top tank so that it ows through tubes e l m e o s pa ep 215 in the core and out through opening 24 Iin the bottom UNXTED STATES PATENTS tank. The heat in the liquid is conducted to the iins 2,7 1,533,098 Carmean et al Apr. 14, 1925 from the tubes and air is forced through the core .to dissi- 1,819,608 Lewis Aug. 18, 1931 pate the heat from the tubes and tins. 1,843,450 Humphrey et al Feb. 2, 1932 Fan 716 `driven by electric motor 2S is mounted within 2,085,772 Soverhill July `6, 1937 shroud 32 to deliver iair to the central portion of the 2,358,973 Hartng Sept. 26, 1944 core. This shroud is made ot light gauge material and is 2,413,118 Dec. 24, 1946 Spieth secured to the support members and encloses the rear or 2,728,411 Pasturczak Dec. 27, 1955 

